APA (7th ed.) Citation

Marçal, R., Rodrigues, R., Fortunato, C., Martins, L. S., & Pires, V. F. (2013). A power amplifier system for testing of distance relay operating characteristic.

Chicago Style (17th ed.) Citation

Marçal, Rui, Ricardo Rodrigues, Carlos Fortunato, L. Sousa Martins, and V. Fernão Pires. A Power Amplifier System for Testing of Distance Relay Operating Characteristic. 2013.

MLA (8th ed.) Citation

Marçal, Rui, et al. A Power Amplifier System for Testing of Distance Relay Operating Characteristic. 2013.